Rockridge_SW Management Permit Compliance 2-7-17ProTerra Design Group, LLC Ph:(413)320‐4918
4 Bay Road, Building A, Suite 200 E: info@proterra‐design.com
Hadley, MA 01035
U/G Detention System Observation Manhole
U/G Detention System Backfill
U/G Detention Perforated Pipe
Porous Pavement Choker Stone
Porous Asphalt Pavement Stabilized Discharge Point with FES and Riprap